@charset "utf-8";
*{padding:0;margin:0;}
li{list-style:none;}
/* wrap */
.wrap{margin:50px auto;width:632px;height:400px;position:relative;overflow:hidden;}
.pic{width:632px;height:400px;cursor:pointer;}
.pic1{background:url('../images/t10.jpg');position:absolute;top:0;left:0;z-index:1;}
.pic_num1{width:74px;height:79px;position:absolute;top:40px;left:17px;background:url('../images/pic_num.jpg');background-position:0 0;display:none;}
.pic2{background:url('../images/t20.jpg');position:absolute;top:0;left:379px;z-index:3;}
.pic_num2{width:74px;height:79px;position:absolute;top:40px;left:17px;background:url('../images/pic_num.jpg');background-position:-69px 0;}
.pic3{background:url('../images/t30.jpg');position:absolute;top:0;left:430px;z-index:5;}
.pic_num3{width:74px;height:79px;position:absolute;top:40px;left:17px;background:url('../images/pic_num.jpg');background-position:-138px 0;}
.pic4{background:url('../images/t40.jpg');position:absolute;top:0;left:480px;z-index:7;}
.pic_num4{width:74px;height:79px;position:absolute;top:40px;left:17px;background:url('../images/pic_num.jpg');background-position:-207px 0;}